Home / 17,380.88-26,046.36-9,890.42

Finding the Fourth Proportional to 17,380.88, 26,046.36 and 9,890.42

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Solution

The fourth proportional to 17,380.88, 26,046.36 and 9,890.42 is: 14,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.88 : 26,046.36 = 9,890.42 : x
  2. Step 2: Convert to fraction form
    17,380.88/26,046.36 = 9,890.42/x
  3. Step 3: Cross multiply
    17,380.88x = 26,046.36 × 9,890.42
  4. Step 4: Simplify right side
    17,380.88x = 257,609,439.87
  5. Step 5: Solve for x
    x = 257,609,439.87/17,380.88
  6. Step 6: Final answer
    x = 14,821.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.